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fix(sysview): fix timestamp freq when not using APB clock

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This commit is contained in:
Samuel Obuch
2025-06-05 21:17:52 +02:00
parent d7eea89e16
commit afe83c15aa
1 changed files with 13 additions and 7 deletions
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20
components/app_trace/sys_view/Sample/FreeRTOSV10.4/Config/esp/SEGGER_SYSVIEW_Config_FreeRTOS.c
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@@ -65,6 +65,7 @@ Revision: $Rev: 7745 $
#include "esp_app_trace.h" #include "esp_app_trace.h"
#include "esp_app_trace_util.h" #include "esp_app_trace_util.h"
#include "esp_intr_alloc.h" #include "esp_intr_alloc.h"
#include "esp_clk_tree.h"
#include "esp_cpu.h" #include "esp_cpu.h"
#include "soc/soc.h" #include "soc/soc.h"
#include "soc/interrupts.h" #include "soc/interrupts.h"
@@ -101,9 +102,6 @@ extern const SEGGER_SYSVIEW_OS_API SYSVIEW_X_OS_TraceAPI;
// Timer group timer divisor // Timer group timer divisor
#define SYSVIEW_TIMER_DIV 2 #define SYSVIEW_TIMER_DIV 2
// Frequency of the timestamp, using APB as GPTimer source clock
#define SYSVIEW_TIMESTAMP_FREQ (esp_clk_apb_freq() / SYSVIEW_TIMER_DIV)
// GPTimer handle // GPTimer handle
gptimer_handle_t s_sv_gptimer; gptimer_handle_t s_sv_gptimer;
@@ -173,30 +171,38 @@ static void _cbSendSystemDesc(void) {
* *
********************************************************************** **********************************************************************
*/ */
static void SEGGER_SYSVIEW_TS_Init(void) static int SEGGER_SYSVIEW_TS_Init(void)
{ {
/* We only need to initialize something if we use Timer Group. /* We only need to initialize something if we use Timer Group.
* esp_timer and ccount can be used as is. * esp_timer and ccount can be used as is.
*/ */
#if TS_USE_TIMERGROUP #if TS_USE_TIMERGROUP
// get clock source frequency
uint32_t counter_src_hz = 0;
ESP_ERROR_CHECK(esp_clk_tree_src_get_freq_hz(
(soc_module_clk_t)GPTIMER_CLK_SRC_DEFAULT,
ESP_CLK_TREE_SRC_FREQ_PRECISION_CACHED, &counter_src_hz));
gptimer_config_t config = { gptimer_config_t config = {
.clk_src = GPTIMER_CLK_SRC_DEFAULT, .clk_src = GPTIMER_CLK_SRC_DEFAULT,
.direction = GPTIMER_COUNT_UP, .direction = GPTIMER_COUNT_UP,
.resolution_hz = SYSVIEW_TIMESTAMP_FREQ, .resolution_hz = counter_src_hz / SYSVIEW_TIMER_DIV,
}; };
// pick any free GPTimer instance // pick any free GPTimer instance
ESP_ERROR_CHECK(gptimer_new_timer(&config, &s_sv_gptimer)); ESP_ERROR_CHECK(gptimer_new_timer(&config, &s_sv_gptimer));
/* Start counting */ /* Start counting */
gptimer_enable(s_sv_gptimer); gptimer_enable(s_sv_gptimer);
gptimer_start(s_sv_gptimer); gptimer_start(s_sv_gptimer);
return config.resolution_hz;
#else
return SYSVIEW_TIMESTAMP_FREQ;
#endif // TS_USE_TIMERGROUP #endif // TS_USE_TIMERGROUP
} }
void SEGGER_SYSVIEW_Conf(void) { void SEGGER_SYSVIEW_Conf(void) {
U32 disable_evts = 0; U32 disable_evts = 0;
SEGGER_SYSVIEW_TS_Init(); int timestamp_freq = SEGGER_SYSVIEW_TS_Init();
SEGGER_SYSVIEW_Init(SYSVIEW_TIMESTAMP_FREQ, SYSVIEW_CPU_FREQ, SEGGER_SYSVIEW_Init(timestamp_freq, SYSVIEW_CPU_FREQ,
&SYSVIEW_X_OS_TraceAPI, _cbSendSystemDesc); &SYSVIEW_X_OS_TraceAPI, _cbSendSystemDesc);
SEGGER_SYSVIEW_SetRAMBase(SYSVIEW_RAM_BASE); SEGGER_SYSVIEW_SetRAMBase(SYSVIEW_RAM_BASE);